Troubleshooting; Engine Troubleshooting - Zetor HORTUS HS Series Operator's Manual

Engine Troubleshooting

TROUBLE
ENGINE Starter does not
work
Low starter speed
The starter works,
but the engine does
not start
Irregular engine
operation

TROUBLESHOOTING

PROBABLE CAUSE
Clutch pedal released

PTO switch set to ON

position
Defective safety switch

Dead battery

Loose contact

Defective switch

Defective starter

Low battery

Poor grounding

Incorrect engine oil

viscosity
Air in the fuel system

Clogged fuel filter

No fuel supply

Defective engine

Defective key switch

Air in the fuel system

Clogged fuel filter

SOLUTION
Depress the clutch pedal

Set the PTO switch to the

OFF position
Have it repaired by an

authorized service
Charge the battery

Check for loose contacts

and corrosion. Clean,
tighten
Have it repaired by an

authorized service
Have it repaired by an

authorized service
Charge the battery

Clean and tighten the

contacts
Replace with engine oil of

the correct viscosity
Bleed the system

Clean or replace the filter

Open the fuel tap

Have it repaired by an

authorized service
Have it repaired by an

authorized service
Bleed the system

Clean or replace the filter

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